A group of researchers reports on the structure and function of a novel protein named “Calredoxin”. Calredoxin binds calcium and catalyzes in dependence of its binding, redox reactions, particularly driving the detoxification of harmful oxygen species. The researchers are exploring how this protein functions at the crossroad of calcium- and redox-dependent reactions to promote efficient oxygenic photosynthesis.
The conversion of solar energy into chemical energy and building material from inorganic compounds by oxygenic photosynthesis supports much of the life on this planet. In plants, these reactions are situated in the chloroplast. The production of oxygen and the assimilation of carbon dioxide into organic matter determines, to a large extent, the composition of our atmosphere.
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